| CA系统中基于用户分组的EMM分发机制 |
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| 引用本文： | 季伟,刘剑,刘永辉,崔卫.CA系统中基于用户分组的EMM分发机制[J].电视技术,2010,34(6). |
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| 作者姓名： | 季伟 刘剑 刘永辉 崔卫 |
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| 作者单位： | 1. 山东大学信息科学与工程学院,山东,济南,250100;浪潮集团有限公司,山东,济南,250100
2. 浪潮集团有限公司,山东,济南,250100 |
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| 基金项目： | 中国博士后基金，山东省科技攻关计划项目，山东省博士后基金，山东省优秀中青年科学家奖励基金 |
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| 摘 要： | 提出了一种新颖的用户分组机制以降低条件接收系统的复杂度.与传统密钥分发机制相比,该方案在保证系统安全性并实现条件接收系统功能的前提下,大大减少了系统中授权管理信息的数据量,提高了系统的业务管理效率.
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| 关 键 词： | 条件接收 授权管理信息 数字视频广播 分组机制 |
Novel EMM Distribution Based on User Grouping For Conditional Access System |
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| JI Wei,LIU Jian,LIU Yong-hui,CUI Wei.Novel EMM Distribution Based on User Grouping For Conditional Access System[J].Tv Engineering,2010,34(6). |
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| Authors: | JI Wei LIU Jian LIU Yong-hui CUI Wei |
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| Institution: | JI Wei1,2,LIU Jian2,LIU Yong-hui2,CUI Wei2(1.School of Information Science and Engineering,Shandong University,Jinan 250100,China,2.Inspur Corporation,China) |
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| Abstract: | An innovation of grouping key distribution scheme for CAS in DVB broadcasting is proposed to reduce the computation of encryption and the number of messages for key refreshment.Compared with the conventional key distribution scheme,the entitlement management message distribution can greatly reduce the EMM data and improve the efficiency of services managing. |
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| Keywords: | conditional access entitlement management message digital video broadcasting grouping mechanism |
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